Results 71 to 80 of about 1,526,453 (346)

Synthesis, Characterization and Biological Activities of Biopolymeric Schiff Bases Prepared with Chitosan and Salicylaldehydes and Their Pd(II) and Pt(II) Complexes

open access: yesMolecules, 2017
In an attempt to enhance chitosan biological activities, biopolymeric Schiff bases of chitosan and different salicylaldehydes and their palladium(II) and platinum(II) complexes were synthesized and tested.
Hellen Franciane Gonçalves Barbosa   +6 more
doaj   +1 more source

Research Progress on Application of Chitosan and Its Derivatives in Fruit Wine

open access: yesShipin gongye ke-ji, 2022
Chitosan, a natural and safe polymer, has antibacterial, metal chelating, clarifying and antioxidant effects in the fruit wine making industries. However, the activity strength and action mechanism of chitosan in the brewing process is still unclear.
Tiwei DIAO   +5 more
doaj   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

New modified chitosan composites and nanocomposites for different applications

open access: yesJournal of Scientific Research in Science, 2021
The present work focuses on the preparation of chitosan composite and chitosan nanocomposite derivatives for different applications. Chitosan was modified with bentonite or nano-bentonite to give chitosan composite and nanocomposite derivatives hydrogels
Taghreed H. Abdalla   +4 more
doaj   +1 more source

Novel highly-soluble peptide-chitosan polymers: Chemical synthesis and spectral characterization [PDF]

open access: yes, 2006
Novel water-soluble polymers, N-(gamma-propanoyl-valin)-chitosan and N-(gamma-propanoyi-aspartic acid)-chitosan, were synthesized by reaction of low molecular weight chitosan with N-alpha-(3-bromopropanoyl)-valine and N-alpha-(3-bromopropanoyl)-aspartic ...
Batista, MKS   +3 more
core   +1 more source

Anti-Obesity Effects of Chitosan and Its Derivatives

open access: yesPolymers, 2023
The number of obese people in the world is rising, leading to an increase in the prevalence of type 2 diabetes and other metabolic disorders. The search for medications including natural compounds for the prevention of obesity is an urgent task. Chitosan
Balzhima Shagdarova   +3 more
semanticscholar   +1 more source

Nanofillers Reinforcing Biopolymer Composites for Sustainable Food Packaging Applications: A State‐of‐the‐Art Review

open access: yesAdvanced Functional Materials, EarlyView.
Biopolymers are sustainable, biodegradable alternatives to petroleum‐based plastics for food packaging. Its adoption is often limited by poor mechanical strength, barrier properties, and improved thermal stability through the incorporation of nanofillers.
Himakshi Baishya   +2 more
wiley   +1 more source

Sulfone-modified chitosan as selective adsorbent for the extraction of toxic Hg(II) metal ions

open access: yesAdsorption Science & Technology, 2019
In this study, a new category of sulfone-modified chitosan derivatives as surface-selective adsorbents for the extraction of toxic Hg(II) metal has been synthesized in good yield.
Youssef O Al-Ghamdi   +4 more
doaj   +1 more source

Applications and interest of chitin, chitosan and their derivatives in enology

open access: yesOENO One, 2005
This review treats of the possible use interest of chitin, chitosan and derivatives in enology. Chitosan and chitin are polysaccharide polymers containing more than 5 000 glucosamine and acetylglucosamine units, respectively, and their molecular weights ...
Aurélie Bornet, Pierre-Louis Teissedre
doaj   +1 more source

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